Which is NOT a manner of death?

The concept of "manner of death" is defined within the context of medicolegal death investigation and typically includes categories such as accident, homicide, suicide, natural causes, and undetermined. Each of these classifications provides crucial information about the circumstances surrounding a person's death.

Accident, homicide, and undetermined each represent specific categories that are recognized within forensic sciences and are part of the standard classification system for deaths. An accidental death refers to deaths resulting from unforeseen events, while homicide denotes death caused by another person. The undetermined category is used when the cause of death cannot be clearly established based on the evidence available.

In contrast, the term "unknown" does not fit into these established legal and medical frameworks. While it may suggest a lack of information, it lacks the specificity and clarity needed to classify death in a medicolegal context accurately. Therefore, "unknown" is not an accepted manner of death, making it the correct choice for this question.